16313680

素因数分解:

$2^4\times 5^1\times {\mathrm{203921}}^1$

素因数の和:203934

約数の個数: 20

約数和(自身を含む): 37929492

約数和(自身を除く): 21615812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 203921, 407842, 815684, 1019605, 1631368, 2039210, 3262736, 4078420, 8156840, 16313680]

約数ペア:

[(1, 16313680), (2, 8156840), (4, 4078420), (5, 3262736), (8, 2039210), (10, 1631368), (16, 1019605), (20, 815684), (40, 407842), (80, 203921)]